<template>
  <div class="site-wrapper2 site-page--login">
    <div class="site-content__wrapper">
      <div class="site-content">
        <div class="brand-info">
          <h2 class="brand-info__text">{{SYSTEM_TITLE}}</h2>
          <p class="brand-info__intro">{{SYSTEM_MS}}</p>
        </div>
        <div class="login-main">
          <h3 class="login-title">管理员登录</h3>
          <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()" status-icon>
            <el-form-item prop="userName">
              <el-input v-model="dataForm.userName" placeholder="帐号"></el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input v-model="dataForm.password" type="password" placeholder="密码"></el-input>
            </el-form-item>
            <el-form-item prop="captcha">
              <el-row :gutter="20">
                <el-col :span="14">
                  <el-input v-model="dataForm.captcha" placeholder="验证码">
                  </el-input>
                </el-col>
                <el-col :span="10" class="login-captcha">
                  <img :src="captchaPath" @click="getCaptcha()" alt="">
                </el-col>
              </el-row>
            </el-form-item>
            <el-form-item>
              <el-button class="login-btn-submit" type="primary" @click="dataFormSubmit()">登录</el-button>
            </el-form-item>
          </el-form>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { getUUID } from '@/utils'
import {API_HOST, SYSTEM_TITLE, SYSTEM_MS} from '@/constant'
import {postSysLogin} from '$my/code/api/sys-login'
import {saveTokenToCache} from '@/helper/utils'

export default {
  data () {
    return {
      SYSTEM_TITLE,
      SYSTEM_MS,
      dataForm: {
        userName: 'admin',
        password: 'admin',
        uuid: '',
        captcha: ''
      },
      dataRule: {
        userName: [
          { required: true, message: '帐号不能为空', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' }
        ],
        captcha: [
          { required: true, message: '验证码不能为空', trigger: 'blur' }
        ]
      },
      captchaPath: ''
    }
  },
  created () {
    this.getCaptcha()
  },
  methods: {
    // 提交表单
    dataFormSubmit () {
      this.$refs.dataForm.validate((valid) => {
        if (valid) {
          const data = {
            username: this.dataForm.userName,
            password: this.dataForm.password,
            uuid: this.dataForm.uuid,
            captcha: this.dataForm.captcha
          }

          postSysLogin(data).then(res => {
            saveTokenToCache(res.token)
            this.$router.replace('/')
          })
        }
      })
    },
    // 获取验证码
    getCaptcha () {
      this.dataForm.uuid = getUUID()
      this.captchaPath = `${API_HOST}/captcha.jpg?uuid=${this.dataForm.uuid}`
    }
  }
}
</script>

<style lang="scss">
.site-wrapper2.site-page--login {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
  &:before {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
    background-size: cover;
  }
  .site-content__wrapper {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
  }
  .site-content {
    min-height: 100%;
    padding: 30px 500px 30px 30px;
  }
  .brand-info {
    margin: 50px 100px 0 90px;
    color: #fff;
  }
  .brand-info__text {
    margin:  0 0 22px 0;
    font-size: 48px;
    font-weight: 400;
    text-transform : uppercase;
  }
  .brand-info__intro {
    margin: 10px 0;
    font-size: 16px;
    line-height: 1.58;
    opacity: .6;
  }
  .login-main {
    position: absolute;
    top: 0;
    right: 0;
    padding: 150px 60px 180px;
    width: 470px;
    min-height: 100%;
    background-color: #fff;
  }
  .login-title {
    font-size: 16px;
  }
  .login-captcha {
    overflow: hidden;
    > img {
      width: 100%;
      cursor: pointer;
    }
  }
  .login-btn-submit {
    width: 100%;
    margin-top: 38px;
  }
}
</style>
